<?PHP

class TBT_Enhancedgrid_Helper_Data extends Mage_Core_Helper_Abstract {

    
    public function getImageUrl($image_file)
    {
        $url = false;
        $url = Mage::getBaseUrl('media').'catalog/product'. $image_file;
        return $url;
    }
  
    
    public function getFileExists($image_file)
    {
        $file_exists = false;
        $file_exists = file_exists('media/catalog/product'. $image_file);
        return $file_exists;
    }
    
    
    public function getSearchCollection($queryString, $request) {
        $request->setParam('q', $queryString);
        $searchquery = Mage::helper('catalogSearch')->getQuery();
        $searchquery->setStoreId(Mage::app()->getStore()->getId());
        $searchquery->save();
        
        return($searchquery->getResultCollection());
    }
    
    
}
?>